If you are not quite ready to purchase new 18V tools but want to breathe some new life into what you have, check out the DeWalt DC9180C Li-ion batteries.
DEWALT Charger, Combination Dual Port, Fast Charge (DCB103) 11.50 Inch x 11.40 Inch x 5.40 Inch - Cordless Tool Battery Chargers
Repairing a dead 18 volt NI-MH DeWalt Battery Pack - 763
DEWALT 18-Volt NiCd Cordless Reciprocating Saw (Tool-Only) DC385B - The Home Depot
18v li-ion Battery for Dewalt DC9180 DC9096 DE9096 DC9098 DE9039 DE9095 DE9096 DE9098 DW9095 DW9096 DW9098 with Charger - AliExpress
18v li-ion Battery for Dewalt DC9180 DC9096 DE9096 DC9098 DE9039 DE9095 DE9096 DE9098 DW9095 DW9096 DW9098 with Charger - AliExpress
DEWALT DC9180-2 18-Volt XRP Lithium-Ion Batteries, 2-Pack, price tracker / tracking, price history charts, price watches, price drop alerts
18V XRP Li-Ion Battery, DeWALT
Replacement 18v 20v Battery Adapter Dca1820 - Temu Japan
NEW IN BOX! Genuine Dewalt 18V Volt XRP DC9180 2.4Ah Lithium Battery GUARRANTEED
Bakipante 2Pack 6.5Ah 18V Lithium Battery DC9096 DC9098 Replacement for DeWalt 18 Volt XRP Batteries Replacement for DC9099 Dw9096 DW9098 DC9182
DTK 2Pack 6.5Ah Lithium-Ion Battery Replacement for Dewalt 18V XRP Ni-Cad DC9096 DC9098 DC9099 DE9039 DE9095 DE9096 DE9098 DW9095 DW9096 DW9098 DE9503 : Tools & Home Improvement
DEWALT DC9180 18 -Volt Lithium-Ion Battery Pack - Cordless Tool Battery Packs
18V 2000mAh XRP Lithium Ion Battery for DeWalt DC9182, Dc9181, DC9180, Black
DEWALT 18-Volt NiCd Cordless Reciprocating Saw (Tool-Only) DC385B - The Home Depot